26. Investments securities held to maturity

  31.12.2015 31.12.2014
Debt securities    
issued by the State Treasury, of which: 210 330 233 358
issued by the Treasury State USD 170 265 193 020
issued by the Treasury State PLN 37 436 37 709
issued by the Treasury State EUR 2 629 2 629
Total 210 330 233 358

Debt securities nominal value 31.12.2015 31.12.2014
Treasury bonds PLN 37 436 36 717
Treasury bonds EUR (translated into PLN) 2 629 2 557
Treasury bonds USD (translated into PLN) 168 197 189 951

The average yield on debt securities in issue: 31.12.2015 31.12.2014
in Poland 4.33% 5.17%
in Ukraine 10.16% 9.68%

Change in investment securities available for sale 2015 2014
Balance at the beginning of the period 233 358 38 005
Take of control over subsidiaries - 40 953
Increases 121 346 1 386 037
Decreases (157 204) (1 263 970)
Currency translation differences 12 830 32 333
Balance at the end of the period 210 330 233 358

Debt securities held to maturity as at 31 December 2015 up to 1 month 1 - 3 months 3 months - 1 year 1 - 5 years over 5 years Total
Debt securities            
issued by the State Treasury 23 114 61 193 101 024 11 532 13 467 210 330
Total 23 114 61 193 101 024 11 532 13 467 210 330

Debt securities held to maturity as at 31 December 2014 up to 1 month 3 months - 1 year 1 - 5 years over 5 years Total
Debt securities          
issued by the State Treasury 17 943 123 214 74 410 17 791 233 358
Total 17 943 123 214 74 410 17 791 233 358